code: def setUp(self):
      self.x = cuda.cupy.random.uniform(-1, 1, (2, 3)).astype(
          self.dtype
      )
      self.gy = cuda.cupy.random.uniform(-1, 1, (2, 3)).astype(
          self.dtype
      )
      with chainer.using_config("use_cudnn", self.use_cudnn):
          self.expect = chainer.should_use_cudnn(">=auto")
  
file_path: chainer/tests/chainer_tests/functions_tests/activation_tests/test_relu.py
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import functions
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestReLUCudnnCall obj's underlying member method code with example usage: obj.setUp() without return types